Automatic telegraph switching system



Aprll 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRA-PH SWITCHING SYSTEM Filed April 27, 1960 64 Sheets-Sheet 1 Aprll 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swTTcHTNG SYSTEM Filed April 27, 1960 l ii-ri i if m; @E

J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHTNG SYSTEM April 23, 1963 64 Sheets-Sheet 3 Filed April 27, 1960 April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH SWITCHING SYSTEM Filed April 27, 1960 64 Sheets-Sheet 4 April 23, 1963 1. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH SWITCHING SYSTEM 64 Sheets-Sheet 5 Filed April 27, 1960 April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM Filed April 27', 1960 mman-Dm .DaPDO mommmoma PDF-.DO

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AUTOMATIC TELEGRAPH SWITCHING SYSTEM Filed April 27, 1960 64 Sheets-Sheet 8 DRUM ROTATION pzssLw-fpzao (Marker BRI po I8 BITS t (INPUT 15 BIT OF MESSAGE uNIT COAIIRVABFRETI-:R @Ilm OLD NFO |11: ZEROS j' BIN) V J I8 aITs (cIfl-V NEw INFORMATION OLOINFO 1M 1 @299 279wIraITs IBTS p0 (mm NEw INFORMATION |OI.OINFO|1|O| y; .J P299 280mm I l? BITs p0 (b)f1| New INFORMATION [OLO INFo|o|cj Y Jk-f- J I 280 BITs I7 BITs ITV OLD INFO I8 BITS Lll'lg New OLDINFO BIN) I8 BITs New INFORMATION IB B'ITs I5 TO 275 BITs L New INFORMATION JW l 28o BITS (gIm NEw INFORMATION OLO INFO |1|-3 To 28ozEROs |1|1| k OTO 27`f5 BITS A I8 ETS] (mm New INFORMATION IOLO INFO 1M @299k 280`6ITS J I7 BITs po ALL ZEROS CONTROL CHARACTERS UNUSED fC'CONTROI.

j A -N J. E. DE TURK ETAL AUTOMATIC TELEGRAPH SWITCHING SYSTEM Filed April 27, 1960 MESSAGE PROCESSOR 64 Sheets-Sheet 9 9 DATA INSTRUCTION CONTROL PROCESSING PROCESSING CONSOLE UNIT UNIT ExCI-IANGE REGISTER FROM z INPUT AND SPECIAL I OUTPUT SYSTEMS REGISTERS CORE STORE I AND DRUM I CONTROI. I

o S 48S BINS 8* -I BIN 7 IB|Ns -sos BINS (GENERAL FORM 6 OF INSTRUCTIONS) '2 I I 3 I J B2 Bl O C OC I l (a I l I I I I I I I I I l I I l I I I l I I I Il A29 24 LIS LS G LO N a C OC I I I I I I I I I I I I I I I I I I I l l I I I'J L2S LISl LS LG LO (DETAILS OF I d a C 0C J PROGRAMMING (c) I I I I I I I I I I I I I I l l 9I I I I I l Is2 Ia1 t C Oc I I I I l I I I l I I I I I I I I I4I I L2S L24 Ie LS s LO (12 C2 a1 C1 OC (e)Il l I I l I I I I I I l I I I I I I4I .I

'L29 'Lal lle LS LS LO Aprll 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM 64 Sheets-Sheet 10 Filed April 27, 1960 INSTRUCTION BUS7 vo. .mi

64 Sheets-Sheet 11 INFORMATION BUS`j AUTOMATIC TELEGRAPH SWITCHING SYSTEM 55.5232 t3 muso.. @I- @l 367:

? @mm a April 23, 1963 Filed April 27, 1960 fil a :m di: www5 co April 23, 1963 J. I-:. DE TURK ETAI. 3,087,010

AUTOMATIC TELEGRAPH SWITCHING SYSTEM Filed April 27, 1960 64 Sheets-Sheet 12 COPY INPUT 8T OUTPUT PROGRAMS IN PROGRAM STORE TTI SERvIcE ONE INPUT cIRcUIT I ARE THERE ANY DEMANDS., cOPY INPUT er OUTPUT PROGRAMS i) IN PROGRAM STORE ARE THERE ANY MORE INPUT VIS TI-IERE ANY INPUT DEMAND? CIRCUITS To SERVICE? sERvIcE ONE OUTPUT cIRcUIT PROcEsS ALI. INPUT DEMANDS I II ARE THERE ANY DEMANDS Is THERE AN OUTPUT DEMAND C@ O O Cp ARE THERE ANY MORE OUTPUT PROCESS ALI. OUTPUT DEMANDS cIRcUITS TO SERVICE? i f l I IS IT TIME TO START NEW CYCLE? WAS DEMAND CYCLE ENTERED FROM ROUTING PROGRAM T COPY ROUTING PROGRAM IN PROGRAM STORE RETURN TO INPUT OR OUTPUT PROGRAM PROCESS ONE MESSAGE ANY OEMANDS (Ii) CO Is IT TIME To START NEw cYcLE? :#(b MEANS No IS THERE ANOTHER MESSAGE` TO PROCESS MEANS YES *-b PROGRAM cYcI E Apnl 23, 1963 J. E. DE TURK I-:TAL ,1 3,087,010

AUTOMATIC TELECRAPH swITcHING SYSTEM Filed April 27, 1960 64 SheeIis-SheeTI 13 ENTERED FROM EXECUTIVE PROGRAM OR ON DEMAND l TRANSFER CONTENTS OF FULL BUFFER To PROGRAM STORE GENERAL FLOW CHART FOR INPUT PROGRAM IwITI-IYTAPE) DID IT CONTAIN A REJECT ORDER IS IT THE FIRST MU oF A MESSAGE MUEMESSACE UNIT I @EMEANS YES @EMEANS NO V SEQUENCE No. 0K J l I F-TI ADJUST INPUT SEO-Nm REJECT MEsSAGE,o|SCoNNECT TABLE eIMAKE INPUT LOG STATION er INITIATE NEw ENTRY INTERRoGATIoN CYCLE DOES IT CONTAIN ROUTING INDICATORS ERASE PARTLY COMPLETED MESSAGE FROM RECORD REJECTION IN INPUT LOG MESSAGE STORE 8I- DECODE ROUTING INDICATORS CORRECT TABLES IS IT THE LAST MU OF A MESSAGE ANY MORE DEMANDS FoR ACKNowLEDSE a- INITIATE INTERRoeATIoN CYCLE A IQQLTMOBRUEFJ? DEMANDS er RELEASE FoR TRANSMISSION I l i? TRANSFER MESSAGE UNIT Q 'I To MESSAGE STORE To. EXECUTIVE PROGRAM April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM Filed April 27, 1960 64 Sheets-Sheet 14 -l-l.l!|.-l.mm

April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM Filed April 2v, 1960 s4 'sheets-sheet 15 To FIG. le

t-PULSE GENERATOR COUNTERS April 23, 1963 J. E. DE TURK ETAL- 3,087,010

AUTOMATIC TELEGRAPH SWITCHING SYSTEM y 64 Sheets-Sheet 16 Filed April 27, 1960 m5. tu n; n 3 N c 20mm mPDmZ: vcr-... 2 OZ-OOOMQ.

April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swTTcHING SYSTEM 64 Sheets-Shea?I 1'? Filed April 27, 1960 April 23, 1963 J. E. DE TURK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM 64 Sheets-Sheet 19 Filed April 2'7. 1960 mN-n. OFI

Aprll 23, 1963 J. E. DE ruRK ETAL 3,087,010

AUTOMATIC TELEGRAPH swITcHING SYSTEM 64 Sheets-Sheet 2O Filed April 27, 1960 os E 

1. IN A TELEGRAPH SWITCHING SYSTEM, A SWITCHING CENTER HAVING A PLURALITY OF INCOMING CHANNELS, FIRST STORAGE MEANS FED BY SAID INCOMING CHANNELS TO STORE TEMPORARILY CODED SIGNAL PULSES REPRESENTING EACH OF THE CHARACTERS OF TELEGRAPH MESSAGES AS THE PULSES ARE RECEIVED AT TELEGRAPH INPUT PULSE RATES, SIGNAL STORAGE AND REPEATING EQUIPMENT HAVING INPUT PULSE STORAGE SECTIONS AND OUTPUT PULSE STORAGE SECTIONS, FIRST PRECESSOR MEANS FOR CYCLICALLY FEEDING TO SAID INPUT PULSE STORAGE SECTIONS THE INFORMATION STORED IN SAID FIRST STORAGE MEANS, MEANS TO READ SERIALLY AND CONVERT THE INFORMATION IN SAID INPUT PULSE STORAGE SECTIONS TO SIGNALS HAVING HIGHER PULSE RATES, MEANS FOR FEEDING SERIALLY TO SAID OUTPUT PULSE STORAGE SECTIONS SAID SIGNALS HAVING HIGHER PULSE RATES, A SECOND STORAGE MEANS, AND SECOND PRECESSOR MEANS TO READ CYCLICALLY AND CONVERT THE INFORMATION IN SAID OUTPUT PULSE STORAGE SECTIONS TO SIGNALS HAVING TELEGRAPH PULSE RATES COUPLED TO FEED SAID SECOND STORAGE MEANS, AND OUTGOING CHANNELS FED BY SAID SECOND STORAGE MEANS. 